Vancouver Gadgeteers Rob Matthies diagnosing LIFEPO4 ebike battery failure

Vancouver Gadgeteers Rob Matthies takes Record-Setting UBC electric car to Richmond BC mechanics for review

Gadgeteer Rob Matthies shows how to Sell Solar Panels in Vancouver BC Canada for Home Power

HOW TO RECHARGE A NON-RECHARGEABLE 9V ALKALINE BATTERY ROB MATTHIES VANCOUVER GADGETEERS

Tree-Savers Rob Matthies and Gadgeteers in Sun Peaks News

Rob Matthies at Construction of Record-Setting UBC Cross-Canada Electric Car Club Vehicle Vancouver BC

Part 5 Inline diodes in Vancouver Gadgeteers world's first ebike charger with constant current PV system

Rockin Matthies FIRST TIME REACTION!!!

Andrea Matthies : Queremos que la paz reine en Venezuela

Todo Por La Corona - Andrea Matthies entrevista a Jesús Zambrano

Todo Por La Corona - Andrea Matthies entrevista a Caterina Valentino

Rob Matthies Test Ride UBC electric car Record Setting Cross Canada tour

Independent Test of Revived Battery Electric Pickup Truck by Rob Matthies and Gary Tang as shown on News

ROB MATTHIES REVIVED BATTERY FUN reviewed by MAYOR

Rob Matthies' REVIVED BATTERIES re-tested after 4 years' use

Todo Por La Corona - Andrea Matthies entrevista a Gisselle Reyes

IS THE ROB MATTHIES BATTERY REVIVAL TECHNOLOGY A SCAM?

Todo Por La Corona - Andrea Matthies entrevista a María Gabriela Isler

Petra Matthies - Balance Beam - 2006 Visa Championships - Day 2

Petra Matthies - Vault - 2006 Visa Championships - Day 2

Amateur magician Rob Matthies at White Spot Xmas Fundraiser

Rob Matthies' Revived Batteries Tested by the Public

TV News Inventor Rob Matthies Fuel Cell Used on HHO Scooter

Rockin Matthies FIRST TIME REACTION!!!

Todo Por La Corona -Andrea Matthies entrevista a Arturo Senior

Todo Por La Corona - Andrea Matthies entrevista a Harry Levy